{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102939",
    "entityType": "User",
    "nonce": "0x5a559c91a34e26e9cde6ec0100176f5c3921a33baa64f2d54cf99ef471d442fe",
    "signature": "0xa0af72d50cf6b6d7ffa72c1c7593db2d8121e5663c4f1f25a9246c37f60cf30b3c9270089bda271ea2e47b7a7564394598310d592530283521742a753e2363fc1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}